What should I do?

My mom has been off crank for more than a year I think and earlier today my mom took me to my aunts and my mom friend kept saying biscuits and my mom said why do you keep saying biscuits the woman said it was code then my mom asked me to stay with my aunt while she go to oakpark oakpark is like ghetto and we never go there so I knew right away she was going to get drugs a few minutes ago my mom was in our van and she kept saying I lost it I lost it and she was all outside looking for the drug she bought she said it was wrapped in toilet paper I think my mom bought drugs today I think my moms friend and or uncle gave her the idea and I think my mom is up to smoking drugs again I don't know what to do